: From the top menu, go to File > Revert To > Browse All Versions .

Upgrading your Apple operating system is not always possible or desired. If you are running an older version of macOS or iOS, you might find that the latest version of Pages in the App Store is incompatible with your device.

: Go to Settings > General > Software Update to check for the latest firmware. Important Safety Warning Regarding Third-Party Websites

This happens when trying to download Pages from the main App Store search results page. You must stop searching for it and look strictly inside your account's tab instead. The Cloud Icon is Greyed Out

: Click the Download (cloud with a down arrow) icon.

The most reliable way to get an older, compatible version of Pages is through your App Store purchase history. Apple allowed a feature where, if you have previously "owned" an app, the App Store will offer a download of the last version that worked with your operating system. Step-by-Step for Mac: Open the on your Mac.